package com.renjian.spring.day05.dao;

import com.renjian.spring.day05.pojo.Book;

import java.util.List;

public interface BookDao {
    public void add(Book book);

    public void update(Book book);

    public void delete(String id );

    public int find();

    public Object queryForObj(String id);

    public List<Book> bookList();
}
